How to use

getBackground

method

in

java.awt.Component

JFrame frame = new JFrame("Testing");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
frame.add(new TestPane());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
  add(cellPane, gbc);
@Override
public void mouseEntered(MouseEvent e) {
  defaultBackground = getBackground();
  setBackground(Color.BLUE);
  setBackground(defaultBackground);

  JPanel gui = new JPanel(new GridLayout(2,0,5,5));
  gui.setBorder(new EmptyBorder(10,10,10,10));
  gui.setBackground(Color.RED);
  gui.add(l1);
  l2.setBackground(Color.YELLOW);
  l2.setOpaque(true);
  gui.add(l2);
  p1.add(new JLabel("Panel 1"));
  p1.setBorder(brdrRight);
  p1.setOpaque(false);
Color bg = parent.getBackground();
Rectangle rect = new Rectangle(0,0,width, height);
Area borderRegion = new Area(rect);

if (useSlideButton) {
  final JPanel statusPanel = new JPanel();
  basePanel.add(statusPanel, BorderLayout.SOUTH);
  statusPanel.add(new JButton("Slide Left") {
    private static final long serialVersionUID = 9204819004142223529L;
  statusPanel.add(new JButton("Slide Right") {
  ((JFrame) parent).getContentPane().setBackground(jPanels.get(0).getBackground());
  parent.remove(basePanel);
  parent.validate();
  ((JDialog) parent).getContentPane().setBackground(jPanels.get(0).getBackground());
  parent.remove(basePanel);
  parent.validate();
  ((JWindow) parent).getContentPane().setBackground(jPanels.get(0).getBackground());
  parent.remove(basePanel);
  parent.validate();

JFrame frame = new JFrame("Test");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
frame.add(new TestPane());
g2d.setColor(c.getBackground());
g2d.fill(area);

JFrame frame = new JFrame("JAVA");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JComboBox cmb = new JComboBox(strings);
ComboBoxRenderer renderer = new ComboBoxRenderer(cmb);
frame.add(cmb);
frame.pack();
frame.setVisible(true);
textPanel.add(this);
text = new JLabel();
text.setOpaque(true);
text.setFont(combo.getFont());
textPanel.add(text);
  setBackground(list.getSelectionBackground());
  setBackground(Color.WHITE);
text.setBackground(getBackground());

 public static void main(String[] args) {
  final JFrame jf = new JFrame();
  jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  final Grid grid = new Grid();
  jf.add(grid);
  jf.pack();
  jf.addWindowListener(new WindowAdapter() {
    public void windowActivated(WindowEvent e) {
      int i = 0;
      Component[] components = grid.getComponents();
      for (Component component : components) {
        i++;
        Color color = component.getBackground();
        Rectangle bounds = component.getBounds();
        System.out.println("box " + i + ",coordinate= " + bounds
            + ", Color= " + color);
      }
    }
  });
  jf.setVisible(true);
}

final JPanel panel = new JPanel(new GridBagLayout()) {
    setBackground(Color.RED);
button.addActionListener(new ActionListener(){
  public void actionPerformed(ActionEvent e) {
    if (panel.getBackground() == Color.RED) {
      System.out.println("RED");
      panel.setBackground(Color.GREEN);
    } else if (panel.getBackground() == Color.GREEN) {
      System.out.println("GREEN");
      panel.setBackground(Color.RED);
panel.add(button);
JOptionPane.showMessageDialog(null, panel);

public static JScrollPane scrollPane(final Component component,
  final int width, final int height, final Container addTo)
{
  final JScrollPane scroll = new JScrollPane(component);
  scroll.getViewport().setBackground(component.getBackground());
  scroll.setPreferredSize(new Dimension(width, height));
  if (addTo != null) addTo.add(scroll);
  return scroll;
}

    g.setColor(hoverBackgroundColor);
  } else {
    g.setColor(getBackground());
JFrame frame = new JFrame("Test button");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final MyButton btnSave = new MyButton("Save");
btnSave.setForeground(new Color(0, 135, 200).brighter());
btnSave.setHorizontalTextPosition(SwingConstants.CENTER);
btnSave.setBorder(null);
btnSave.setBackground(new Color(3, 59, 90));
btnSave.setHoverBackgroundColor(new Color(3, 59, 90).brighter());
btnSave.setPressedBackgroundColor(Color.PINK);
frame.add(btnSave);
frame.setSize(200, 200);
frame.setVisible(true);

 g.setColor(getBackground());
button.setBackground(Color.green);
JFrame frame = new JFrame();
frame.getContentPane().setBackground(Color.yellow);
frame.getContentPane().add(button);
frame.getContentPane().setLayout(new FlowLayout());
frame.setSize(150, 150);
frame.setVisible(true);

control.setLayout(new GridLayout(0, 1));
for (CabPanel cp : fleet) {
  control.add(cp);
  timer.addActionListener(cp.listener);
this.add(map, BorderLayout.CENTER);
this.add(control, BorderLayout.SOUTH);
  super(new GridLayout(1, 0));
  name.setText(s);
  this.setBackground(hue.getColor());
  this.add(map, BorderLayout.CENTER);
  for (Hue h : Hue.values()) {
    public void actionPerformed(ActionEvent e) {
      Hue h = (Hue) colorBox.getSelectedItem();
      CabPanel.this.setBackground(h.getColor());
      update();
  this.setBackground(Color.lightGray);
    int x = SIZE * (p.x + w / 2 / SIZE) - SIZE / 2;
    int y = SIZE * (p.y + h / 2 / SIZE) - SIZE / 2;
    g2d.setColor(cp.getBackground());
    g2d.fillOval(x, y, SIZE, SIZE);

final JFrame frame = new JFrame("Image zoom");
frame.getContentPane().add(zoomPanel);
final Ticker t = new Ticker(zoomPanel);
frame.pack();
frame.setVisible(true);
g2.setColor(getBackground());
try {

private JFrame frame = new JFrame("Frame");
private JPanel fatherCenter = new JPanel();
private JScrollPane tableScroll = new JScrollPane();
          comp.setBackground(row % 2 == 0 ? getBackground() : getBackground().darker());
  fatherCenter.add(tableScroll, BorderLayout.CENTER);
  pane.add(fatherCenter);
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.setLayout(new BorderLayout(10, 10));
  addComponentsToPane(frame.getContentPane());
  frame.setLocation(150, 150);
  frame.setPreferredSize(new Dimension(400, 647));
  frame.pack();
  frame.setVisible(true);

JFrame frame = new JFrame("Image panel");
frame.setSize(800, 300);
frame.setLocationByPlatform(true);
JList imageList = createImageList();
frame.getContentPane().add(new JScrollPane(imageList));
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
  imageLabel.setBorder(emptyBorder);
  descriptionLabel.setBorder(emptyBorder);
  add(imageLabel, BorderLayout.CENTER);
  add(descriptionLabel, BorderLayout.SOUTH);
  defaultListCellRenderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
  setBorder(defaultListCellRenderer.getBorder());
  setBackground(defaultListCellRenderer.getBackground());
  imageLabel.setIcon((Icon)value);
  descriptionLabel.setText("Description");

JFrame frame = new JFrame("JButtonTable Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(scroll);
frame.pack();
frame.setVisible(true);
if (isSelected) {
  setForeground(table.getSelectionForeground());
  setBackground(table.getSelectionBackground());
} else {
  setForeground(table.getForeground());
  setBackground(UIManager.getColor("Button.background"));
if (isSelected) {
  button.setForeground(table.getSelectionForeground());
  button.setBackground(table.getSelectionBackground());
} else {
  button.setForeground(table.getForeground());
  button.setBackground(table.getBackground());

s.getViewport().add(m_tree);
getContentPane().add(s, BorderLayout.CENTER);
setVisible(true);
setForeground(sel ? m_textSelectionColor : 
  m_textNonSelectionColor);
setBackground(sel ? m_bkSelectionColor : 
  m_bkNonSelectionColor);
m_selected = sel;
Color bColor = getBackground();
Icon icon = getIcon();

  label.setForeground(isSelected? list.getSelectionForeground()
                 : list.getForeground());
  p.add(icon);
  p.add(label, BorderLayout.SOUTH);
  p.setBackground(isSelected? list.getSelectionBackground()
               : list.getBackground());
  return p;
JFrame f = new JFrame();
f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
f.getContentPane().add(new DragAndDropTest().makeUI());
f.setSize(320, 240);
f.setLocationRelativeTo(null);
f.setVisible(true);

private JFrame frame = new JFrame("Navigation Filter Example");
private JPanel panel = new JPanel();
private JLabel label = new JLabel(" $ ");
  panel.setBackground(textField.getBackground());
  panel.setLayout(new BorderLayout());
  panel.add(label,BorderLayout.WEST);
  textField.setBorder(null);
  panel.add(textField,BorderLayout.CENTER);
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.getContentPane().add(panel);
  frame.pack();
  frame.setLocationRelativeTo(null);
  frame.setVisible(true);

 import java.awt.*;  
import javax.swing.*;  
class Testing extends JFrame  
{  
 public Testing()  
 {  
  setDefaultCloseOperation(EXIT_ON_CLOSE);  
  JPanel p = new JPanel(new BorderLayout());  
  JTextField tf = new JTextField(5);  
  JLabel label = new JLabel(new ImageIcon("Test.gif"));  
  label.setOpaque(true);  
  label.setBackground(tf.getBackground());  
  label.setPreferredSize(new Dimension(label.getPreferredSize().width,tf.getPreferredSize().height));  
  p.setBorder(tf.getBorder());  
  tf.setBorder(null);  
  p.add(label,BorderLayout.WEST);  
  p.add(tf,BorderLayout.CENTER);  
  JPanel p1 = new JPanel();  
  p1.add(p);  
  getContentPane().add(p1);  
  pack();  
  setLocationRelativeTo(null);  
 }  
 public static void main(String[] args){new Testing().setVisible(true);}  
}

 import java.awt.*;  
import javax.swing.*;  
class Testing extends JFrame  
{  
 public Testing()  
 {  
  setDefaultCloseOperation(EXIT_ON_CLOSE);  
  JPanel p = new JPanel(new BorderLayout());  
  JTextField tf = new JTextField(5);  
  JLabel label = new JLabel(new ImageIcon("Test.gif"));  
  label.setOpaque(true);  
  label.setBackground(tf.getBackground());  
  label.setPreferredSize(new Dimension(label.getPreferredSize().width,tf.getPreferredSize().height));  
  p.setBorder(tf.getBorder());  
  tf.setBorder(null);  
  p.add(label,BorderLayout.WEST);  
  p.add(tf,BorderLayout.CENTER);  
  JPanel p1 = new JPanel();  
  p1.add(p);  
  getContentPane().add(p1);  
  pack();  
  setLocationRelativeTo(null);  
 }  
 public static void main(String[] args){new Testing().setVisible(true);}  
}